body,
html {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  min-width: 1000px;
}

#app,
.app {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

div,
p,
h1,
h2,
h3,
span {
  margin: 0;
  padding: 0;
}
